NPPES file of Aug 9, 2026

Toni Nicastro, DO

Pediatrics Physician · Mesa, AZ

Toni Nicastro, DO is a pediatrics physician with a practice address in Mesa, Arizona, and NPI 1831778331, issued on Apr 3, 2021. Check the license (Arizona 011629, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831778331
Name
Toni Nicastro
Credential
DO
Primary taxonomy
Pediatrics Physician 208000000X
License numbers
011629 AZ
5151015562 MI
Self-reported in NPPES; status is on the state search
Practice location
1705 W Main St, Mesa, AZ 85201
Phone
(480) 964-2273
Enumerated
Apr 3, 2021
Record last updated
Jul 22, 2025
Medicare enrollment
Enrolled (PECOS I20250702002650); may accept Medicare assignment
Medical or professional school
Rocky Vista University College Of Osteopathic Med, 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest pediatrics physician records → All 1,309 in Arizona → Look up another NPI →

Also registered at 1705 W Main St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Eugene Adel, M.D.Obstetrics & Gynecology Physician1609301621
  2. Enyonam Agamasu, M.D.Obstetrics & Gynecology Physician1295023935
  3. Amanda AguirreBehavior Technician1225757610
  4. Shireen Allen-Lawson, DNP, FNP-CFamily Nurse Practitioner1306912266
  5. Baynazier Ansari, MDPediatrics Physician1669678538
  6. Neeta Arya, DDSGeneral Practice Dentistry1235190083

Verify Toni Nicastro in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 011629    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $22.74

1 payment: food and beverage; the largest payer was kaleo, Inc. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Toni Nicastro$22.74
  2. Specialty average$842.05

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Toni Nicastro among 1,309 pediatrics physician records in Arizona

Toni Nicastro, DO is one of 1,309 pediatrics physician records with a practice address in Arizona. 41% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 90% of them.

  • NPI issued2021 · 90% of these records are older, 7% newer
  • In a Medicare fileYes · 41% of these records are
  • In the CMS Doctors and Clinicians fileYes · 8% of these records are
  • Graduated2022 · median 2013 among the 105 with a school on file
  • Record last updated2025 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatrics Physician providers in Arizona

There are 1,309 pediatrics physician records in Arizona.

All 1,309 in Arizona → Every provider in Mesa → Pediatrics Physician nationwide →

The 8 pediatrics physician records with the nearest ZIP codes

  1. Baynazier Ansari, MDMesa, AZ 852011669678538
  2. Maristela Nabong-Nillas, M.D.Mesa, AZ 852011629155338
  3. Christine Rejdukowski, DOMesa, AZ 852011487622411
  4. Aliya Zia, M.D.Mesa, AZ 852011275638140
  5. Anthony Ani, MDMesa, AZ 852021265619373
  6. Giridhari Bansal, MDMesa, AZ 852021790789725
  7. Kelly England, M.D.Mesa, AZ 852021679563282
  8. Matilda Garcia, M.D., MPHMesa, AZ 852021295775443

Common questions

What is Toni Nicastro, DO's NPI number?

Toni Nicastro, DO's National Provider Identifier (NPI) is 1831778331, issued on Apr 3, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Toni Nicastro, DO located?

The NPPES record lists a practice address at 1705 W Main St, Mesa, AZ, 85201. Phone: (480) 964-2273. Providers update this record themselves, so call before visiting.

How can I verify Toni Nicastro, DO's license?

NPPES lists Arizona license number 011629, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.